Mac Fix: MacOS Installation Couldn’t be Completed error


Apple has released the latest OS updates along with the amazing features but some of the mac users are facing that “The macOS installation couldn’t be completed” error message. This is because macOS download or installation process might be interrupted. In this article, I gonna guide you with easy methods “to fix macOS installation couldn’t be completed error” on your mac.

Fix 1: Restart Mac in Safe Mode

  • Restart your Mac.
  • Immediately press & hold the “Shift” key until the Apple logo appears on the screen.

Fix 2: Use Start-up Manager

  • Restart your Mac.
  • Immediately press & hold the “Alt” key until the Start-up manager window appears on the screen.
  • Now, Select your “Primary disk“.
  • Then, Click on “arrow key” and click on “Enter”.

primary disk on Mac

Fix 3: Repair your Disk

  • Choose Apple menu -> Restart.
  • Immediately press & hold the Command+R keys until the utility window appears on the screen.
  • Now, select the “Disk Utility” option.
  • Then, select the disk to repair it.
  • Now, Choose on “Repair disk” option.
  • If this repair does not fix the issue, then follow the next method.

Repair disk utility

Fix 4: Re-install macOS

  • Power OFF your mac (wait for few seconds).
  • Power ON your Mac and immediately press & hold the opt+Command+R keys until the spinning globe icon appears on the screen.
  • Now, the MacOS utility window appears on the screen.
  • Then, select “Reinstall macOS” and click on the “Continue” option.

Note: Make sure you have connected with the network connection before doing this process.

  • Now, Agree with the terms and Click on the “continue” option.
  • Then, select the hard drive and click on the “install” option.

reinstall MacOS

That’s it, this will install the latest macOS that was installed on your Mac. So, I hope the above methods are possible to install the

macOS without getting any error message. If you still have any struggle in installing macOS, let me know in the comments. Thank you…

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